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Transcript
Table 2: Honeywell NTC Thermistor Temperature vs. Output (Resistance) Table
Temp
[Deg C]
Resistance
[ohms]
Temp
[Deg C]
Resistance
[ohms]
Temp
[Deg C]
Resistance
[ohms]
Temp
[Deg C]
Resistance
[ohms]
20
1249.5
45
436.6
70
175.2
95
78.8
21
1194.5
46
420.0
71
169.3
96
76.5
22
1142.1
47
404.0
72
163.7
97
74.3
23
1092.3
48
388.6
73
158.3
98
72.1
24
1045.0
49
374.0
74
153.1
99
70.0
25
1000.0
50
360.0
75
148.1
100
68.0
26
957.2
51
346.6
76
143.3
101
66.0
27
916.4
52
333.8
77
138.6
102
64.2
28
877.6
53
321.5
78
134.1
103
62.3
29
840.7
54
309.7
79
129.8
104
60.6
30
805.5
55
298.4
80
125.7
105
58.9
31
772.0
56
287.6
81
121.7
106
57.2
32
740.0
57
277.3
82
117.9
107
55.6
33
709.6
58
267.3
83
114.2
108
54.1
34
680.6
59
257.8
84
110.6
109
52.6
35
652.8
60
248.7
85
107.2
110
51.2
36
626.5
61
239.9
86
103.8
111
49.8
37
601.3
62
231.5
87
100.6
112
48.4
38
577.2
63
223.4
88
97.6
113
47.1
39
554.3
64
215.7
89
94.6
114
45.8
40
532.3
65
208.2
90
91.7
115
44.6
41
511.4
66
201.1
91
89.0
116
43.4
42
491.4
67
194.2
92
86.3
117
42.3
43
472.3
68
187.6
93
83.7
118
41.1
44
545.0
69
181.3
94
81.2
119
40.1
120
39.0
Note: The table only applies between 20˚C to 120˚C. Temperatures below this range are set
to 20˚C, and temperatures above this range are set to 120˚C.
Output Specifications
Maximum Current Output
(High frequency PWM output)
Reference Voltage
Output Current Adjustments
Superimposed Dither
Ramp Rate
TDAX021500
High side driver
1 output (up to 2A)
Solenoid A: 1 proportional or 1 on/off
Overcurrent protection is provided
Short circuit protection is provided.
+5V, 50 mA
I-max. (specified by user – configurable setpoint in software)
I-set (specified by user – configurable setpoint in software)
I-min. (specified by user – configurable setpoint in software)
All current settings are adjustable from 0 to 2 Amps.
Dither Amplitude:
10% I-max. (fixed)
Dither Frequency: (specified by user – configurable setpoint in software)
Adjustable from 700-350 Hz
Ramps to I-set: (specified by user – configurable setpoint in software)
Adjustable from 0-5 seconds.
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